Juana is planning a vacation with her family. she has to decide between the jade resort hotel and gm beach hotel inc. however, she is finding it hard to evaluate the level of services claimed by both the hotels. which of the following reasons best explains this feature of services? a) services can be easily separated from the people who deliver them. b) quality of a service does not usually vary based on people. c) quality control techniques cannot be applied for services. d) services do not have a long shelf life like products. e) services cannot be held, touched, or seen before the purchase decision.